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Expired Canadian patentCanada

Dynamometer having a bending beam

CA 1190763 A · Owner: Testut Aequitas · Inventors: Valadier, Jean-Claude

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Abstract From the Canadian patent

The invention relates to a dynamometer of the type comprising a testing member having a bending beam which has one built-in end and which is elastically deformable in bending under the influence of the force Q applied to its opposite end, as well as sensing means for detecting the deformation of the beam. This dynamometer is characterised by the fact that in the material of the beam, there are defined anchorage zones intended for receiving four rows of windings of prestressed gauge wire having their principal strands directed approximately perpendicularly to the force applied Q and remaining in close contact with the beam in the bending zone,two of the rows of windings having their …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted July 23, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 18, 1983
GrantedJuly 23, 1985
Term endedJuly 23, 2002
Patent numberCA 1190763 A
Classification (IPC)G01L1/22

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedFeb 18, 1983Patent grantedJuly 23, 1985Term endedJuly 23, 2002

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.